Heys Disney Clubhouse Hybrid Luggage Suitcase Set [3-Pieces] Imported Material: Hybrid design Polycarbonate composite combined with 1200 D Polyester Spinner wheels provide easy maneuverability and they allow for effortless gliding Patent-pending structural design allows the luggage to be completely frameless, this allows the luggage to be extremely lightweight Iinternal telescopic handle system with a push-button locking system.